Bloc Loc | Half-Square Triangle 6.5" x 6.5" Ruler

Bloc Loc’s Half-Square Triangle ruler 6 1/2″ x 6 1/2″ locks onto the seams for instant ruler placement, control so that the seams end in each corner and trims 90% faster than a flat ruler. Ruler rock is gone, too!

Also trims quarter-square triangles, birds in the air, y-blocks, LeMoyne Star, double windmill, hidden square units and much, much more.

HST ruler is multiple sized and trims in 1/8″ increments.